Single toothbrush holder



FIG. 1 is a perspective view of the single toothbrush holder showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view of one side thereof, the other side being identical;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top plan view thereof. 

The ornamental design for the single toothbrush holder, as shown and described. 